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-rw-r--r--lib/swiotlb.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 7740ee868399..ac25cd28e807 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -631,10 +631,8 @@ dma_addr_t swiotlb_map_page(struct device *dev, struct page *page,
/*
* Ensure that the address returned is DMA'ble
*/
- if (!dma_capable(dev, dev_addr, size)) {
- swiotlb_tbl_unmap_single(dev, map, size, dir);
- dev_addr = swiotlb_virt_to_bus(dev, io_tlb_overflow_buffer);
- }
+ if (!dma_capable(dev, dev_addr, size))
+ panic("map_single: bounce buffer is not DMA'ble");
return dev_addr;
}